dlls/strmbase/renderer.c

   1 /*
   2  * Generic Implementation of strmbase Base Renderer classes
   3  *
   4  * Copyright 2012 Aric Stewart, CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include "dshow.h"
  24 #include "wine/debug.h"
  25 #include "wine/unicode.h"
  26 #include "wine/strmbase.h"
  27 #include "uuids.h"
  28 #include "vfwmsgs.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
  31
  32 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
  33 static const WCHAR wcsAltInputPinName[] = {'I','n',0};
  34
  35 static inline BaseInputPin *impl_BaseInputPin_from_IPin( IPin *iface )
  36 {
  37     return CONTAINING_RECORD(iface, BaseInputPin, pin.IPin_iface);
  38 }
  39
  40 static inline BaseRenderer *impl_from_IBaseFilter(IBaseFilter *iface)
  41 {
  42     return CONTAINING_RECORD(iface, BaseRenderer, filter.IBaseFilter_iface);
  43 }
  44
  45 static inline BaseRenderer *impl_from_BaseFilter(BaseFilter *iface)
  46 {
  47     return CONTAINING_RECORD(iface, BaseRenderer, filter);
  48 }
  49
  50 static HRESULT WINAPI BaseRenderer_InputPin_EndOfStream(IPin * iface)
  51 {
  52     HRESULT hr = S_OK;
  53     BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
  54     BaseRenderer *pFilter = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
  55
  56     TRACE("(%p/%p)->()\n", This, pFilter);
  57
  58     EnterCriticalSection(&pFilter->filter.csFilter);
  59     EnterCriticalSection(&pFilter->csRenderLock);
  60     hr = BaseInputPinImpl_EndOfStream(iface);
  61     EnterCriticalSection(This->pin.pCritSec);
  62     if (SUCCEEDED(hr))
  63     {
  64         if (pFilter->pFuncsTable->pfnEndOfStream)
  65             hr = pFilter->pFuncsTable->pfnEndOfStream(pFilter);
  66         else
  67             hr = BaseRendererImpl_EndOfStream(pFilter);
  68     }
  69     LeaveCriticalSection(This->pin.pCritSec);
  70     LeaveCriticalSection(&pFilter->csRenderLock);
  71     LeaveCriticalSection(&pFilter->filter.csFilter);
  72     return hr;
  73 }
  74
  75 static HRESULT WINAPI BaseRenderer_InputPin_EndFlush(IPin * iface)
  76 {
  77     BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
  78     BaseRenderer *pFilter = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
  79     HRESULT hr = S_OK;
  80
  81     TRACE("(%p/%p)->()\n", This, pFilter);
  82
  83     EnterCriticalSection(&pFilter->filter.csFilter);
  84     EnterCriticalSection(&pFilter->csRenderLock);
  85     EnterCriticalSection(This->pin.pCritSec);
  86     hr = BaseInputPinImpl_EndFlush(iface);
  87     if (SUCCEEDED(hr))
  88     {
  89         if (pFilter->pFuncsTable->pfnEndFlush)
  90             hr = pFilter->pFuncsTable->pfnEndFlush(pFilter);
  91         else
  92             hr = BaseRendererImpl_EndFlush(pFilter);
  93     }
  94     LeaveCriticalSection(This->pin.pCritSec);
  95     LeaveCriticalSection(&pFilter->csRenderLock);
  96     LeaveCriticalSection(&pFilter->filter.csFilter);
  97     return hr;
  98 }
  99
 100 static const IPinVtbl BaseRenderer_InputPin_Vtbl =
 101 {
 102     BaseInputPinImpl_QueryInterface,
 103     BasePinImpl_AddRef,
 104     BaseInputPinImpl_Release,
 105     BaseInputPinImpl_Connect,
 106     BaseInputPinImpl_ReceiveConnection,
 107     BasePinImpl_Disconnect,
 108     BasePinImpl_ConnectedTo,
 109     BasePinImpl_ConnectionMediaType,
 110     BasePinImpl_QueryPinInfo,
 111     BasePinImpl_QueryDirection,
 112     BasePinImpl_QueryId,
 113     BaseInputPinImpl_QueryAccept,
 114     BasePinImpl_EnumMediaTypes,
 115     BasePinImpl_QueryInternalConnections,
 116     BaseRenderer_InputPin_EndOfStream,
 117     BaseInputPinImpl_BeginFlush,
 118     BaseRenderer_InputPin_EndFlush,
 119     BaseInputPinImpl_NewSegment
 120 };
 121
 122 static IPin* WINAPI BaseRenderer_GetPin(BaseFilter *iface, int pos)
 123 {
 124     BaseRenderer *This = impl_from_BaseFilter(iface);
 125
 126     if (pos >= 1 || pos < 0)
 127         return NULL;
 128
 129     IPin_AddRef(&This->pInputPin->pin.IPin_iface);
 130     return &This->pInputPin->pin.IPin_iface;
 131 }
 132
 133 static LONG WINAPI BaseRenderer_GetPinCount(BaseFilter *iface)
 134 {
 135     return 1;
 136 }
 137
 138 static HRESULT WINAPI BaseRenderer_Input_CheckMediaType(BasePin *pin, const AM_MEDIA_TYPE * pmt)
 139 {
 140     BaseRenderer *This = impl_from_IBaseFilter(pin->pinInfo.pFilter);
 141     return This->pFuncsTable->pfnCheckMediaType(This, pmt);
 142 }
 143
 144 static HRESULT WINAPI BaseRenderer_Receive(BaseInputPin *pin, IMediaSample * pSample)
 145 {
 146     BaseRenderer *This = impl_from_IBaseFilter(pin->pin.pinInfo.pFilter);
 147     return BaseRendererImpl_Receive(This, pSample);
 148 }
 149
 150 static const BaseFilterFuncTable RendererBaseFilterFuncTable = {
 151     BaseRenderer_GetPin,
 152     BaseRenderer_GetPinCount
 153 };
 154
 155 static const  BasePinFuncTable input_BaseFuncTable = {
 156     BaseRenderer_Input_CheckMediaType,
 157     NULL,
 158     BasePinImpl_GetMediaTypeVersion,
 159     BasePinImpl_GetMediaType
 160 };
 161
 162 static const BaseInputPinFuncTable input_BaseInputFuncTable = {
 163    BaseRenderer_Receive
 164 };
 165
 166
 167 HRESULT WINAPI BaseRenderer_Init(BaseRenderer * This, const IBaseFilterVtbl *Vtbl, IUnknown *pUnkOuter, const CLSID *pClsid, DWORD_PTR DebugInfo, const BaseRendererFuncTable* pBaseFuncsTable)
 168 {
 169     PIN_INFO piInput;
 170     HRESULT hr;
 171
 172     BaseFilter_Init(&This->filter, Vtbl, pClsid, DebugInfo, &RendererBaseFilterFuncTable);
 173
 174     This->pFuncsTable = pBaseFuncsTable;
 175
 176     /* construct input pin */
 177     piInput.dir = PINDIR_INPUT;
 178     piInput.pFilter = &This->filter.IBaseFilter_iface;
 179     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 180
 181     hr = BaseInputPin_Construct(&BaseRenderer_InputPin_Vtbl, &piInput, &input_BaseFuncTable, &input_BaseInputFuncTable, &This->filter.csFilter, NULL, (IPin **)&This->pInputPin);
 182
 183     if (SUCCEEDED(hr))
 184     {
 185         hr = CreatePosPassThru(pUnkOuter ? pUnkOuter: (IUnknown*)This, TRUE, &This->pInputPin->pin.IPin_iface, &This->pPosition);
 186         if (FAILED(hr))
 187             return hr;
 188
 189         InitializeCriticalSection(&This->csRenderLock);
 190         This->csRenderLock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": BaseRenderer.csRenderLock");
 191     }
 192
 193     return hr;
 194 }
 195
 196 HRESULT WINAPI BaseRendererImpl_QueryInterface(IBaseFilter* iface, REFIID riid, LPVOID * ppv)
 197 {
 198     BaseRenderer *This = impl_from_IBaseFilter(iface);
 199
 200     if (IsEqualIID(riid, &IID_IMediaSeeking))
 201         return IUnknown_QueryInterface(This->pPosition, riid, ppv);
 202     else
 203         return BaseFilterImpl_QueryInterface(iface, riid, ppv);
 204 }
 205
 206 ULONG WINAPI BaseRendererImpl_Release(IBaseFilter* iface)
 207 {
 208     BaseRenderer *This = impl_from_IBaseFilter(iface);
 209     ULONG refCount = BaseFilterImpl_Release(iface);
 210
 211     if (!refCount)
 212     {
 213         IPin *pConnectedTo;
 214
 215         if (SUCCEEDED(IPin_ConnectedTo(&This->pInputPin->pin.IPin_iface, &pConnectedTo)))
 216         {
 217             IPin_Disconnect(pConnectedTo);
 218             IPin_Release(pConnectedTo);
 219         }
 220         IPin_Disconnect(&This->pInputPin->pin.IPin_iface);
 221         IPin_Release(&This->pInputPin->pin.IPin_iface);
 222
 223         if (This->pPosition)
 224             IUnknown_Release(This->pPosition);
 225
 226         This->csRenderLock.DebugInfo->Spare[0] = 0;
 227         DeleteCriticalSection(&This->csRenderLock);
 228     }
 229     return refCount;
 230 }
 231
 232 HRESULT WINAPI BaseRendererImpl_Receive(BaseRenderer *This, IMediaSample * pSample)
 233 {
 234     HRESULT hr = S_OK;
 235     REFERENCE_TIME start, stop;
 236
 237     TRACE("(%p)->%p\n", This, pSample);
 238
 239     if (This->pFuncsTable->pfnPrepareReceive)
 240         hr = This->pFuncsTable->pfnPrepareReceive(This, pSample);
 241     if (FAILED(hr))
 242     {
 243         if (hr == VFW_E_SAMPLE_REJECTED)
 244             return S_OK;
 245         else
 246             return hr;
 247     }
 248
 249     if (This->pFuncsTable->pfnPrepareRender)
 250         This->pFuncsTable->pfnPrepareRender(This);
 251
 252     EnterCriticalSection(&This->csRenderLock);
 253     if ( This->filter.state == State_Paused )
 254     {
 255         if (This->pFuncsTable->pfnOnReceiveFirstSample)
 256             This->pFuncsTable->pfnOnReceiveFirstSample(This, pSample);
 257     }
 258
 259     /* Wait for render Time */
 260     if (SUCCEEDED(IMediaSample_GetMediaTime(pSample, &start, &stop)))
 261     {
 262         hr = S_FALSE;
 263         RendererPosPassThru_RegisterMediaTime(This->pPosition, start);
 264         if (This->pFuncsTable->pfnShouldDrawSampleNow)
 265             hr = This->pFuncsTable->pfnShouldDrawSampleNow(This, pSample, &start, &stop);
 266
 267         if (hr == S_OK)
 268             ;/* Do not wait: drop through */
 269         else if (hr == S_FALSE)
 270         {
 271             if (This->pFuncsTable->pfnOnWaitStart)
 272                 This->pFuncsTable->pfnOnWaitStart(This);
 273             /* TODO: Wait */
 274             if (This->pFuncsTable->pfnOnWaitEnd)
 275                 This->pFuncsTable->pfnOnWaitEnd(This);
 276         }
 277         else
 278         {
 279             LeaveCriticalSection(&This->csRenderLock);
 280             /* Drop Sample */
 281             return S_OK;
 282         }
 283     }
 284     if (This->pInputPin->flushing || This->pInputPin->end_of_stream)
 285         hr = S_FALSE;
 286
 287     if (SUCCEEDED(hr))
 288         hr = This->pFuncsTable->pfnDoRenderSample(This, pSample);
 289     LeaveCriticalSection(&This->csRenderLock);
 290
 291     return hr;
 292 }
 293
 294 HRESULT WINAPI BaseRendererImpl_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 295 {
 296     BaseRenderer *This = impl_from_IBaseFilter(iface);
 297
 298     TRACE("(%p)->(%p,%p)\n", This, debugstr_w(Id), ppPin);
 299
 300     if (!Id || !ppPin)
 301         return E_POINTER;
 302
 303     if (!lstrcmpiW(Id,wcsInputPinName) || !lstrcmpiW(Id,wcsAltInputPinName))
 304     {
 305         *ppPin = &This->pInputPin->pin.IPin_iface;
 306         IPin_AddRef(*ppPin);
 307         return S_OK;
 308     }
 309     *ppPin = NULL;
 310     return VFW_E_NOT_FOUND;
 311 }
 312
 313 HRESULT WINAPI BaseRendererImpl_Stop(IBaseFilter * iface)
 314 {
 315     BaseRenderer *This = impl_from_IBaseFilter(iface);
 316
 317     TRACE("(%p)->()\n", This);
 318
 319     EnterCriticalSection(&This->csRenderLock);
 320     {
 321         RendererPosPassThru_ResetMediaTime(This->pPosition);
 322         if (This->pFuncsTable->pfnOnStopStreaming)
 323             This->pFuncsTable->pfnOnStopStreaming(This);
 324         This->filter.state = State_Stopped;
 325     }
 326     LeaveCriticalSection(&This->csRenderLock);
 327
 328     return S_OK;
 329 }
 330
 331 HRESULT WINAPI BaseRendererImpl_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 332 {
 333     HRESULT hr = S_OK;
 334     BaseRenderer *This = impl_from_IBaseFilter(iface);
 335     TRACE("(%p)->(%s)\n", This, wine_dbgstr_longlong(tStart));
 336
 337     EnterCriticalSection(&This->csRenderLock);
 338     This->filter.rtStreamStart = tStart;
 339     if (This->filter.state == State_Running)
 340         goto out;
 341     if (This->pInputPin->pin.pConnectedTo)
 342     {
 343         This->pInputPin->end_of_stream = 0;
 344     }
 345     else if (This->filter.filterInfo.pGraph)
 346     {
 347         IMediaEventSink *pEventSink;
 348         hr = IFilterGraph_QueryInterface(This->filter.filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
 349         if (SUCCEEDED(hr))
 350         {
 351             hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, (LONG_PTR)This);
 352             IMediaEventSink_Release(pEventSink);
 353         }
 354         hr = S_OK;
 355     }
 356     if (SUCCEEDED(hr))
 357     {
 358         if (This->pFuncsTable->pfnOnStartStreaming)
 359             This->pFuncsTable->pfnOnStartStreaming(This);
 360         This->filter.state = State_Running;
 361     }
 362 out:
 363     LeaveCriticalSection(&This->csRenderLock);
 364
 365     return hr;
 366 }
 367
 368 HRESULT WINAPI BaseRendererImpl_Pause(IBaseFilter * iface)
 369 {
 370     BaseRenderer *This = impl_from_IBaseFilter(iface);
 371
 372     TRACE("(%p)->()\n", This);
 373
 374     EnterCriticalSection(&This->csRenderLock);
 375     {
 376      if (This->filter.state != State_Paused)
 377         {
 378             if (This->filter.state == State_Stopped)
 379                 This->pInputPin->end_of_stream = 0;
 380             This->filter.state = State_Paused;
 381         }
 382     }
 383     LeaveCriticalSection(&This->csRenderLock);
 384
 385     return S_OK;
 386 }
 387
 388 HRESULT WINAPI BaseRendererImpl_EndOfStream(BaseRenderer* iface)
 389 {
 390     IMediaEventSink* pEventSink;
 391     IFilterGraph *graph;
 392     HRESULT hr = S_OK;
 393
 394     TRACE("(%p)\n", iface);
 395
 396     graph = iface->filter.filterInfo.pGraph;
 397     if (graph)
 398     {        hr = IFilterGraph_QueryInterface(iface->filter.filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
 399         if (SUCCEEDED(hr))
 400         {
 401             hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, (LONG_PTR)iface);
 402             IMediaEventSink_Release(pEventSink);
 403         }
 404     }
 405     RendererPosPassThru_EOS(iface->pPosition);
 406
 407     return hr;
 408 }
 409
 410 HRESULT WINAPI BaseRendererImpl_EndFlush(BaseRenderer* iface)
 411 {
 412     TRACE("(%p)\n", iface);
 413     RendererPosPassThru_ResetMediaTime(iface->pPosition);
 414     return S_OK;
 415 }